Chromosome variability in Brazilian populations of Drosophila buzzatii (Diptera, Drosophilidae)
Rev. bras. biol
;
52(4): 555-61, nov. 1992. tab, mapas
Artigo
em Inglês
| LILACS
| ID: lil-134375
ABSTRACT
Analysis of 28 strains of Drosophila buzzatii from six different localities revealed that populations from southern Brazil apparently differ from northeastern populations in chromosome structure. Of the 16 polymorphic chromosome inversions detected in this species, only two (2j and 5c2) were present in southern populations. The Northeastern populations were the first of this species found not to have the 2j inversion. This suggests that the populations of Drosophila buzzatii may have lost chromosome polymorphism during dispersion, supporting the idea that the current geographic distribution of this species in South America is due to active dispersion
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Índice:
LILACS (Américas)
Assunto principal:
Variação Genética
/
Aberrações Cromossômicas
/
Drosophila
Limite:
Animais
País/Região como assunto:
América do Sul
/
Brasil
Idioma:
Inglês
Revista:
Rev. bras. biol
Assunto da revista:
Biologia
Ano de publicação:
1992
Tipo de documento:
Artigo
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